Microservice security is a strategy that aims to minimize the risks associated with microservices application architecture, which involves building secure microservices and ensuring they communicate securely with each other. Microservices offer agility and flexibility in deployment and scaling, but also introduce security risks if not implemented properly. To address these risks, development teams should adopt a DevSecOps culture, integrate application security tools into their CI/CD pipelines, implement dependency scanning to detect vulnerabilities in open source components, use secure containers, build API gateways to protect APIs from abuse, and design the architecture with security in mind from the start. By following these best practices, organizations can ensure a more secure microservices-based application.